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Quality of Water

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In concrete preparation, the quality of water is paramount as it affects the strength and durability of the concrete. Potable water is usually preferred; however, it must not have excessive sodium or potassium to prevent compromising the concrete's integrity. Water quality is typically evaluated based on impurities such as dissolved solids, chlorides, and sulfates, and its pH value is ideally between 6 and 8. Even slightly acidic natural water may be acceptable unless it contains harmful...

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Related Experiment Video

Updated: May 28, 2026

Continuous Instream Monitoring of Nutrients and Sediment in Agricultural Watersheds

Continuous Instream Monitoring of Nutrients and Sediment in Agricultural Watersheds

Published on: September 26, 2017

Improving collected rainwater quality in rural communities.

S Garrido¹, M Aviles, A Ramirez

¹Instituto Mexicano de Tecnologia del Agua (IMTA), Paseo Cuahnauhuac 8532, Jiutepec Morelos C.P. 62550, Mexico. sgarrido@tlaloc.imta.mx

Water Science and Technology : a Journal of the International Association on Water Pollution Research

|October 8, 2011

Summary

A modified multi-stage filtration system effectively treats rainwater for rural Mexican communities, improving water quality and supply. This innovation provides safe drinking water, meeting national standards for consumption.

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Last Updated: May 28, 2026

Continuous Instream Monitoring of Nutrients and Sediment in Agricultural Watersheds

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Published on: September 26, 2017

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Vegetated Treatment Systems for Removing Contaminants Associated with Surface Water Toxicity in Agriculture and Urban Runoff

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Published on: May 15, 2017

Area of Science:

Environmental Engineering
Water Resource Management
Public Health

Background:

Rural Mexico faces significant water quality and supply challenges due to geography and isolation.
Limited infrastructure in rural areas prevents access to centralized water services.
Mexico's substantial rainfall offers a potential water source if effectively managed.

Purpose of the Study:

To design, develop, and evaluate a modified pilot multi-stage filtration (MMSF) system for treating harvested rainwater.
To assess the system's effectiveness in improving water quality for human consumption in rural communities.
To provide a sustainable solution for drinking water access in underserved areas.

Main Methods:

A modified pilot multi-stage filtration (MMSF) system was implemented.
The system was tested for treating collected rainwater in three rural Mexican communities.
Water quality parameters, including color and turbidity, were measured before and after treatment.

Main Results:

The MMSF system demonstrated high treatment efficiencies, exceeding 93% for color and turbidity removal.
Treated rainwater met the Mexican Standard NOM-127-SSA1-1994 for human use and consumption.
The pilot study confirmed the system's viability for improving drinking water quality.

Conclusions:

The modified multi-stage filtration system is an effective solution for purifying rainwater in rural Mexico.
This technology can significantly enhance access to safe drinking water in isolated communities.
The findings support the potential for wider implementation to address national water scarcity issues.